package com.nytd.demo.common.advice;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.nytd.demo.pojo.response.Result;
import lombok.SneakyThrows;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

@ControllerAdvice
public class ResponseAdvice implements ResponseBodyAdvice {
    @Override
    public boolean supports(MethodParameter returnType, Class converterType) {
        return true;
    }

    @SneakyThrows
    @Override
    public Object beforeBodyWrite(Object body, MethodParameter returnType
            , MediaType selectedContentType, Class selectedConverterType
            , ServerHttpRequest request, ServerHttpResponse response) {
        if (body instanceof Result<?>) {
            return body;
        }
        if (body instanceof String) {
            ObjectMapper objectMapper = new ObjectMapper();
            return objectMapper.writeValueAsString(body);
        }
        return Result.success(body);

    }
}
